./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/NonTermination3-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 53f42b1a Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9037ca13-5e4c-4368-a428-43f10cf547b4/bin/ukojak-vF6T2TMglN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9037ca13-5e4c-4368-a428-43f10cf547b4/bin/ukojak-vF6T2TMglN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9037ca13-5e4c-4368-a428-43f10cf547b4/bin/ukojak-vF6T2TMglN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9037ca13-5e4c-4368-a428-43f10cf547b4/bin/ukojak-vF6T2TMglN/config/KojakReach.xml -i ../../sv-benchmarks/c/termination-crafted/NonTermination3-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9037ca13-5e4c-4368-a428-43f10cf547b4/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9037ca13-5e4c-4368-a428-43f10cf547b4/bin/ukojak-vF6T2TMglN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash a0671ae6ff503095cbeea151b096da898df643465964474a4f3e3c55275f454c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-53f42b1 [2021-11-21 06:21:25,377 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-21 06:21:25,380 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-21 06:21:25,411 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-21 06:21:25,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-21 06:21:25,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-21 06:21:25,416 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-21 06:21:25,418 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-21 06:21:25,420 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-21 06:21:25,422 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-21 06:21:25,423 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-21 06:21:25,425 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-21 06:21:25,425 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-21 06:21:25,427 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-21 06:21:25,428 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-21 06:21:25,430 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-21 06:21:25,431 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-21 06:21:25,432 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-21 06:21:25,435 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-21 06:21:25,437 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-21 06:21:25,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-21 06:21:25,441 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-21 06:21:25,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-21 06:21:25,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-21 06:21:25,448 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-21 06:21:25,448 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-21 06:21:25,449 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-21 06:21:25,450 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-21 06:21:25,451 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-21 06:21:25,452 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-21 06:21:25,453 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-21 06:21:25,454 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-21 06:21:25,455 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-21 06:21:25,456 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-21 06:21:25,457 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-21 06:21:25,458 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-21 06:21:25,459 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-21 06:21:25,459 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-21 06:21:25,460 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-21 06:21:25,461 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-21 06:21:25,462 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-21 06:21:25,463 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9037ca13-5e4c-4368-a428-43f10cf547b4/bin/ukojak-vF6T2TMglN/config/svcomp-Overflow-64bit-Kojak_Default.epf [2021-11-21 06:21:25,488 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-21 06:21:25,489 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-21 06:21:25,490 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-21 06:21:25,490 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-21 06:21:25,491 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-21 06:21:25,491 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-21 06:21:25,491 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-21 06:21:25,492 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-21 06:21:25,492 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-21 06:21:25,492 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-21 06:21:25,493 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-21 06:21:25,493 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-21 06:21:25,493 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-21 06:21:25,494 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-21 06:21:25,494 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-21 06:21:25,494 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-21 06:21:25,494 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-21 06:21:25,495 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-21 06:21:25,495 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-21 06:21:25,495 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-21 06:21:25,496 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:21:25,496 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-21 06:21:25,496 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-21 06:21:25,497 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-21 06:21:25,497 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-21 06:21:25,497 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-21 06:21:25,497 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-21 06:21:25,498 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9037ca13-5e4c-4368-a428-43f10cf547b4/bin/ukojak-vF6T2TMglN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9037ca13-5e4c-4368-a428-43f10cf547b4/bin/ukojak-vF6T2TMglN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> a0671ae6ff503095cbeea151b096da898df643465964474a4f3e3c55275f454c [2021-11-21 06:21:25,793 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-21 06:21:25,826 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-21 06:21:25,829 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-21 06:21:25,830 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-21 06:21:25,831 INFO L275 PluginConnector]: CDTParser initialized [2021-11-21 06:21:25,833 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9037ca13-5e4c-4368-a428-43f10cf547b4/bin/ukojak-vF6T2TMglN/../../sv-benchmarks/c/termination-crafted/NonTermination3-2.c [2021-11-21 06:21:25,918 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9037ca13-5e4c-4368-a428-43f10cf547b4/bin/ukojak-vF6T2TMglN/data/898cb6b0e/a430bdb0e83f43f49fc16e2285a7826d/FLAGd30a399af [2021-11-21 06:21:26,386 INFO L306 CDTParser]: Found 1 translation units. [2021-11-21 06:21:26,386 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9037ca13-5e4c-4368-a428-43f10cf547b4/sv-benchmarks/c/termination-crafted/NonTermination3-2.c [2021-11-21 06:21:26,392 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9037ca13-5e4c-4368-a428-43f10cf547b4/bin/ukojak-vF6T2TMglN/data/898cb6b0e/a430bdb0e83f43f49fc16e2285a7826d/FLAGd30a399af [2021-11-21 06:21:26,779 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9037ca13-5e4c-4368-a428-43f10cf547b4/bin/ukojak-vF6T2TMglN/data/898cb6b0e/a430bdb0e83f43f49fc16e2285a7826d [2021-11-21 06:21:26,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-21 06:21:26,782 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-21 06:21:26,791 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-21 06:21:26,791 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-21 06:21:26,794 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-21 06:21:26,795 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:21:26" (1/1) ... [2021-11-21 06:21:26,796 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c497edf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:26, skipping insertion in model container [2021-11-21 06:21:26,796 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.11 06:21:26" (1/1) ... [2021-11-21 06:21:26,814 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-21 06:21:26,825 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-21 06:21:26,988 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:21:27,000 INFO L203 MainTranslator]: Completed pre-run [2021-11-21 06:21:27,017 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-21 06:21:27,040 INFO L208 MainTranslator]: Completed translation [2021-11-21 06:21:27,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:27 WrapperNode [2021-11-21 06:21:27,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-21 06:21:27,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-21 06:21:27,042 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-21 06:21:27,043 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-21 06:21:27,050 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:27" (1/1) ... [2021-11-21 06:21:27,060 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:27" (1/1) ... [2021-11-21 06:21:27,079 INFO L137 Inliner]: procedures = 8, calls = 8, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 44 [2021-11-21 06:21:27,080 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-21 06:21:27,080 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-21 06:21:27,081 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-21 06:21:27,081 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-21 06:21:27,089 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:27" (1/1) ... [2021-11-21 06:21:27,089 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:27" (1/1) ... [2021-11-21 06:21:27,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:27" (1/1) ... [2021-11-21 06:21:27,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:27" (1/1) ... [2021-11-21 06:21:27,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:27" (1/1) ... [2021-11-21 06:21:27,099 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:27" (1/1) ... [2021-11-21 06:21:27,100 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:27" (1/1) ... [2021-11-21 06:21:27,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-21 06:21:27,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-21 06:21:27,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-21 06:21:27,103 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-21 06:21:27,118 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.11 06:21:27" (1/1) ... [2021-11-21 06:21:27,124 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-21 06:21:27,134 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9037ca13-5e4c-4368-a428-43f10cf547b4/bin/ukojak-vF6T2TMglN/z3 [2021-11-21 06:21:27,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9037ca13-5e4c-4368-a428-43f10cf547b4/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-21 06:21:27,155 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9037ca13-5e4c-4368-a428-43f10cf547b4/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-21 06:21:27,191 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-21 06:21:27,191 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-21 06:21:27,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-21 06:21:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-21 06:21:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-21 06:21:27,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-21 06:21:27,254 INFO L236 CfgBuilder]: Building ICFG [2021-11-21 06:21:27,256 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-21 06:21:27,362 INFO L277 CfgBuilder]: Performing block encoding [2021-11-21 06:21:27,384 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-21 06:21:27,384 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-21 06:21:27,386 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:21:27 BoogieIcfgContainer [2021-11-21 06:21:27,387 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-21 06:21:27,387 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-21 06:21:27,388 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-21 06:21:27,398 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-21 06:21:27,398 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:21:27" (1/1) ... [2021-11-21 06:21:27,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-21 06:21:27,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:27,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2021-11-21 06:21:27,462 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2021-11-21 06:21:27,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-11-21 06:21:27,465 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:27,466 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:27,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:27,598 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:21:27,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:27,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2021-11-21 06:21:27,637 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2021-11-21 06:21:27,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2021-11-21 06:21:27,638 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:27,638 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:27,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:27,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-21 06:21:27,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:27,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 11 states and 13 transitions. [2021-11-21 06:21:27,792 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 13 transitions. [2021-11-21 06:21:27,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-21 06:21:27,792 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-21 06:21:27,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-21 06:21:27,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-21 06:21:27,869 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-21 06:21:27,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-21 06:21:27,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2021-11-21 06:21:27,943 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2021-11-21 06:21:27,944 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-21 06:21:27,944 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2021-11-21 06:21:27,953 INFO L754 CodeCheckObserver]: All specifications hold 2 specifications checked. All of them hold [2021-11-21 06:21:28,027 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2021-11-21 06:21:28,036 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2021-11-21 06:21:28,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 21.11 06:21:28 ImpRootNode [2021-11-21 06:21:28,053 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-21 06:21:28,054 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-21 06:21:28,054 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-21 06:21:28,054 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-21 06:21:28,055 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.11 06:21:27" (3/4) ... [2021-11-21 06:21:28,058 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-21 06:21:28,066 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-21 06:21:28,067 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-21 06:21:28,067 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-21 06:21:28,067 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-21 06:21:28,114 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9037ca13-5e4c-4368-a428-43f10cf547b4/bin/ukojak-vF6T2TMglN/witness.graphml [2021-11-21 06:21:28,116 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-21 06:21:28,118 INFO L158 Benchmark]: Toolchain (without parser) took 1335.05ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 52.0MB in the beginning and 77.7MB in the end (delta: -25.8MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:21:28,119 INFO L158 Benchmark]: CDTParser took 1.42ms. Allocated memory is still 88.1MB. Free memory was 68.3MB in the beginning and 68.2MB in the end (delta: 40.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:21:28,120 INFO L158 Benchmark]: CACSL2BoogieTranslator took 250.41ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 51.8MB in the beginning and 84.2MB in the end (delta: -32.5MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. [2021-11-21 06:21:28,120 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.72ms. Allocated memory is still 107.0MB. Free memory was 84.2MB in the beginning and 82.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:21:28,121 INFO L158 Benchmark]: Boogie Preprocessor took 21.52ms. Allocated memory is still 107.0MB. Free memory was 82.9MB in the beginning and 81.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:21:28,122 INFO L158 Benchmark]: RCFGBuilder took 283.90ms. Allocated memory is still 107.0MB. Free memory was 81.7MB in the beginning and 72.0MB in the end (delta: 9.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-21 06:21:28,122 INFO L158 Benchmark]: CodeCheck took 665.91ms. Allocated memory is still 107.0MB. Free memory was 71.7MB in the beginning and 80.2MB in the end (delta: -8.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-21 06:21:28,123 INFO L158 Benchmark]: Witness Printer took 62.81ms. Allocated memory is still 107.0MB. Free memory was 80.2MB in the beginning and 77.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-21 06:21:28,126 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 10 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 16 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 16 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 21 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 69 IncrementalHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 21 mSolverCounterUnsat, 0 mSDtfsCounter, 69 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 87 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 13 NumberOfCodeBlocks, 13 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 22 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 2/2 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 13]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 0 <= n - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.42ms. Allocated memory is still 88.1MB. Free memory was 68.3MB in the beginning and 68.2MB in the end (delta: 40.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 250.41ms. Allocated memory was 88.1MB in the beginning and 107.0MB in the end (delta: 18.9MB). Free memory was 51.8MB in the beginning and 84.2MB in the end (delta: -32.5MB). Peak memory consumption was 7.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.72ms. Allocated memory is still 107.0MB. Free memory was 84.2MB in the beginning and 82.9MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.52ms. Allocated memory is still 107.0MB. Free memory was 82.9MB in the beginning and 81.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 283.90ms. Allocated memory is still 107.0MB. Free memory was 81.7MB in the beginning and 72.0MB in the end (delta: 9.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 665.91ms. Allocated memory is still 107.0MB. Free memory was 71.7MB in the beginning and 80.2MB in the end (delta: -8.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 62.81ms. Allocated memory is still 107.0MB. Free memory was 80.2MB in the beginning and 77.7MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-21 06:21:28,185 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9037ca13-5e4c-4368-a428-43f10cf547b4/bin/ukojak-vF6T2TMglN/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE